Journal ArticleDOI
Percutaneous Needle Biopsy of Skeletal Muscle in Physiological and Clinical Research
TLDR
In this article, a percutaneous needle biopsy of skeletal muscle in Physiological and Clinical Research is described, and the authors present a detailed discussion of the procedure and the results.Abstract:
(1975). Percutaneous Needle Biopsy of Skeletal Muscle in Physiological and Clinical Research. Scandinavian Journal of Clinical and Laboratory Investigation: Vol. 35, No. 7, pp. 609-616.read more
Citations
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Skeletal muscle lipid droplets are resynthesized before being coated with perilipin proteins following prolonged exercise in elite male triathletes.
TL;DR: IMTG resynthesis occurs rapidly in type I fibres following prolonged exercise in highly-trained individuals and increases in IMTG content following exercise preceded an increase in the number of LDs labelled with PLIN proteins.
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Glutamate availability is important in intramuscular amino acid metabolism and TCA cycle intermediates but does not affect peak oxidative metabolism.
TL;DR: Although glutamate may have a role in the expansion of the T CA cycle, glutamate and TCA cycle intermediates do not directly affect VO2peak in either trained or untrained muscle.
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Myonuclear content and domain size in small versus larger muscle fibres in response to 12 weeks of resistance exercise training in older adults.
TL;DR: To assess the relation between muscle fibre hypertrophy and myonuclear accretion in relatively small and large muscle fibre size clusters following prolonged resistance exercise training in older adults, a large number of subjects were recruited.
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Males and females exhibit similar muscle glycogen recovery with varied recovery food sources
TL;DR: Food items, such as potato-based products, can be as effective as commercially marketed sports supplements when developing glycogen recovery oriented menus and that absolute carbohydrate dose feedings can be effectively applied to both males and females are indicated.
Journal ArticleDOI
Effect of acute hypohydration on glycemic regulation in healthy adults: a randomized crossover trial
Harriet A. Carroll,Iain Templeman,Yung Chih Chen,Robert M. Edinburgh,Elaine K. Burch,Jake T. Jewitt,Georgie Povey,Timothy D. Robinson,William L. Dooley,Robert G. Jones,Kostas Tsintzas,Widet Gallo,Olle Melander,Dylan Thompson,Lewis J. James,Laura Johnson,James A. Betts +16 more
TL;DR: Overall, despite acute mild hypohydration increasing plasma copeptin concentrations and decreasing fasted cell volume and muscle water, there is no effect on glycemic regulation in healthy adults.
References
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Journal ArticleDOI
Diet, Muscle Glycogen and Physical Performance
TL;DR: It has been shown that the glycogen content and, consequently, the long-term work capacity can be appreciably varied by instituting different diets after glycogen depletion.
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Glycogen, glycolytic intermediates and high-energy phosphates determined in biopsy samples of musculus quadriceps femoris of man at rest. Methods and variance of values.
TL;DR: Variation in muscle content of ATP, ATP + ADP + AMP, phosphorylcreatine (PC), creatine (Cr), PC + Cr, and glycogen, between legs, between sites on the same muscle, or as a result of error introduced during analysis, was small compared with the between-individuals variance.
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Intracellular free amino acid concentration in human muscle tissue.
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Selective glycogen depletion pattern in human muscle fibres after exercise of varying intensity and at varying pedalling rates
TL;DR: Glycogen depletion pattern in human skeletal muscle fibres was studied after bicycle exercise of varying intensity performed at different pedalling rates.
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Muscle Glycogen Synthesis after Exercise : an Enhancing Factor localized to the Muscle Cells in Man
Jonas Bergström,Eric Hultman +1 more
TL;DR: Goldstein1 has shown that a humoral factor, which decreases the blood glucose concentration, is released during exercise and it is known that the insulin requirement decreases in diabetic subjects during exercise.